Physics & Astronomy
polyhedrons
100%
piles
90%
low speed
82%
collisions
53%
high speed
33%
escape
12%
friction
10%
coefficients
10%
impactors
8%
protoplanets
8%
inelastic collisions
7%
asteroids
7%
rigid structures
7%
encounters
6%
mass spectra
6%
coalescing
6%
planets
5%
fragmentation
5%
degrees of freedom
5%
trajectories
4%
shock
4%
interactions
2%
energy
1%
Earth & Environmental Sciences
pile
71%
collision
69%
speed
53%
accretion
16%
friction
9%
planetesimal
8%
catastrophic event
7%
impactor
6%
asteroid
6%
coalescence
6%
freedom
6%
power law
5%
planet
5%
fragmentation
5%
modeling
4%
trajectory
4%
calculation
3%
energy
2%
parameter
2%
effect
1%
method
1%